Onagawa Town’s 100th Anniversary Celebration is a music festival marking 100 years since the town’s establishment as a municipality. Scheduled for October 31 and November 1, 2026, the event brings together performances and celebration under the theme of this local milestone. The official event website serves as a practical guide for visitors, with information about tickets, performers, daily artist listings, and the performance timetable.

It also provides details on access, travel, the surrounding event area, food, merchandise, and important notices, helping attendees plan their visit. The site separates the program by date, with dedicated performer listings for Saturday, October 31, and Sunday, November 1. A notice clarifies that Maximum the Hormone will not appear at Sanmaa Sonic.

No specific performer names or further program details are included in the available information. Overall, the festival presents a public celebration centered on music and Onagawa Town’s centenary, while its website brings together the essential event and visitor information in one place